Improvement in picket-pointing machines



UNITED STATES PATENT CEEroEa JOHN H. WHITAKER, OF DAVENPORT, IOWA.

IMPROVEMENT IN PICKET-POINTING MACHINES.

Specification forming part of Letters Patent No. 175,540, dated March 28, 1876 application filed July 15, 1875,

To all whom itmay concern Be it known that I, J oHN H. WHITAKER, of Davenport, in the county of Scott and State of Iowa, ,have invented certain Improvements in Picket-Pointing Machines, of which the following is a specicat-ion:

My invention relates to a revolving knifehead attached to an arbor. To this head are secured two or more bent or straight knives, made in just the forni to suit the mold desired,

and they are so sharpened that When they b is the d are the knives.

e, the bolts securing the knives to knife-head,

leaving a space for shavings to `pass through between knives and knife -head. g is the picket bed or table. h is the picket, the foot y being placedona rest at The top is swung against the knives at j. k shows a curve in the knife made for the purpose of giving a shearing cut. l, in Fig. 3, shows, a' curve in the knife, which is supposed to be made' to the form of mold or design required. When the picket head or top is to be formed the foot of the picket is placed against the rest i, and the top swung against the knives at j, taken up and turned over same operation repeated, andthe picket is complete. The machine can lalso be used for any purpose where cutting across the grain is required.

Iiclaimf The combination of the knife d, revolving knife-head b and washers j', or their equivalent, as and for the forth.

JOHN H. WHITAKER. Witnesses:

J oHN N. CRAWFORD, l HENRY H. AscHERMAN.

purposes hereinbefore setv 

